local nginx_signals = require "kong.cmd.utils.nginx_signals"
local conf_loader = require "kong.conf_loader"
local pl_path = require "pl.path"
local log = require "kong.cmd.utils.log"

local function execute(args, opts)
    opts = opts or {}

    log.disable()
    -- only to retrieve the default prefix or use given one
    local default_conf = assert(conf_loader(nil, {
        prefix = args.prefix
    }))
    log.enable()
    assert(pl_path.exists(default_conf.prefix),
        "no such prefix: " .. default_conf.prefix)

    if opts.quiet then
        log.disable()
    end

    -- load <PREFIX>/kong.conf containing running node's config
    local conf = assert(conf_loader(default_conf.kong_env))
    assert(nginx_signals.stop(conf))

    if opts.quiet then
        log.enable()
    end

    log("Kong stopped")
end

local lapp = [[
Usage: kong stop [OPTIONS]

Stop a running Kong node (Nginx and other configured services) in given
prefix directory.

This command sends a SIGTERM signal to Nginx.

Options:
 -p,--prefix      (optional string) prefix Kong is running at
]]

return {
    lapp = lapp,
    execute = execute
}
